1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/seq_file.h>
3 #include <linux/debugfs.h>
4
5 #include "nitrox_csr.h"
6 #include "nitrox_debugfs.h"
7 #include "nitrox_dev.h"
8
firmware_show(struct seq_file * s,void * v)9 static int firmware_show(struct seq_file *s, void *v)
10 {
11 struct nitrox_device *ndev = s->private;
12
13 seq_printf(s, "Version: %s\n", ndev->hw.fw_name[0]);
14 seq_printf(s, "Version: %s\n", ndev->hw.fw_name[1]);
15 return 0;
16 }
17
18 DEFINE_SHOW_ATTRIBUTE(firmware);
19
device_show(struct seq_file * s,void * v)20 static int device_show(struct seq_file *s, void *v)
21 {
22 struct nitrox_device *ndev = s->private;
23
24 seq_printf(s, "NITROX [%d]\n", ndev->idx);
25 seq_printf(s, " Part Name: %s\n", ndev->hw.partname);
26 seq_printf(s, " Frequency: %d MHz\n", ndev->hw.freq);
27 seq_printf(s, " Device ID: 0x%0x\n", ndev->hw.device_id);
28 seq_printf(s, " Revision ID: 0x%0x\n", ndev->hw.revision_id);
29 seq_printf(s, " Cores: [AE=%u SE=%u ZIP=%u]\n",
30 ndev->hw.ae_cores, ndev->hw.se_cores, ndev->hw.zip_cores);
31
32 return 0;
33 }
34
35 DEFINE_SHOW_ATTRIBUTE(device);
36
stats_show(struct seq_file * s,void * v)37 static int stats_show(struct seq_file *s, void *v)
38 {
39 struct nitrox_device *ndev = s->private;
40
41 seq_printf(s, "NITROX [%d] Request Statistics\n", ndev->idx);
42 seq_printf(s, " Posted: %llu\n",
43 (u64)atomic64_read(&ndev->stats.posted));
44 seq_printf(s, " Completed: %llu\n",
45 (u64)atomic64_read(&ndev->stats.completed));
46 seq_printf(s, " Dropped: %llu\n",
47 (u64)atomic64_read(&ndev->stats.dropped));
48
49 return 0;
50 }
51
52 DEFINE_SHOW_ATTRIBUTE(stats);
53
nitrox_debugfs_exit(struct nitrox_device * ndev)54 void nitrox_debugfs_exit(struct nitrox_device *ndev)
55 {
56 debugfs_remove_recursive(ndev->debugfs_dir);
57 ndev->debugfs_dir = NULL;
58 }
59
nitrox_debugfs_init(struct nitrox_device * ndev)60 void nitrox_debugfs_init(struct nitrox_device *ndev)
61 {
62 struct dentry *dir;
63
64 dir = debugfs_create_dir(KBUILD_MODNAME, NULL);
65
66 ndev->debugfs_dir = dir;
67 debugfs_create_file("firmware", 0400, dir, ndev, &firmware_fops);
68 debugfs_create_file("device", 0400, dir, ndev, &device_fops);
69 debugfs_create_file("stats", 0400, dir, ndev, &stats_fops);
70 }
71